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45 lines
1.8 KiB
Python
45 lines
1.8 KiB
Python
# Copyright (c) 2016 Red Hat, Inc.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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# Written by Ralph Bean <rbean@redhat.com>
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""" Utility functions for rida. """
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import functools
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import time
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def retry(timeout=120, interval=30, wait_on=Exception):
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""" A decorator that allows to retry a section of code...
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...until success or timeout.
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"""
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def wrapper(function):
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@functools.wraps(function)
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def inner(*args, **kwargs):
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start = time.time()
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while True:
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if (time.time() - start) >= (timeout * 60.0):
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raise # This re-raises the last exception.
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try:
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return function(*args, **kwargs)
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except wait_on:
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time.sleep(interval)
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return inner
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return wrapper
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